True transparency in floating windows
Since i3 always places floating windows on top of tiled windows, it would be very useful to be able to render floating windows transparent. How could we inform a composition manager such as xcompmgr which windows are floating and thus make them transparent?
Thanks in advance for your thoughts.
Edit: Please note that goal here is not eye candy. It can be very convenient to be able to see through floating windows in a cluttered and small screen to see the content of the tiled layer. Admittedly the purpose of a tiling window manager is to avoid window overlap, but there are always popup windows and the occasional "legitimate" use of floating windows.